Process for making controlled, uniform-sized particles in the 1 to 50 micrometer range
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United States of America Patent
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Sep 15, 1992
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Mar 1, 1991
filing date -
Mar 22, 1990
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Abstract
Uniformly sized polymer particles of 1-50 .mu.m diameter are made by gradually combining a water-insoluble monomer mixture with an aqueous dispersion of emulsion-polymerized polymer particles in the presence of a dispersion stabilizer and an oil-soluble, free-radical polymerization initiator.
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